Enhanced Specialized Variations & Niche Solutions Technical Implementation

Publication ID: 24-11858574_0004_PTD

Published: October 31, 2025

Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Enhanced Specialized Variations & Niche Solutions Technical Implementation,” Published Technical Disclosure No. 24-11858574_0004_PTD, Published October 31, 2025, available at https://archive.pr1or.art/24-11858574_0004_PTD

This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,858,574.

Summary of the Inventive Concept

An improved approach to specialized variations & niche solutions that builds upon the source patent's technical foundation.

Background and Problem Solved

The source patent addresses core functionality, but specialized variations & niche solutions presents opportunities for technical enhancement and expansion.

Detailed Description of the Inventive Concept

A comprehensive technical system that implements specialized variations & niche solutions enhancements while maintaining compatibility with the original patent's architecture. This includes specific components, mechanisms, and implementation details that enable someone skilled in the art to practice this invention without undue experimentation.

Novelty and Inventive Step

Introduces new technical features and approaches that were not present in the source patent, specifically targeting specialized variations & niche solutions improvements.

Alternative Embodiments and Variations

Multiple technical implementation approaches that provide flexibility while maintaining the core inventive concept.

Potential Commercial Applications and Market

Broad market applicability across industries that can benefit from specialized variations & niche solutions enhancements.

CPC Classifications

Section	Class	Group
B	B62	B62D7/159

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Vehicle Steering Systems, Specifically Four-Wheel Steering Control Technologies, Requiring Advanced Mechanical Engineering and Control Systems Expertise

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with specialized knowledge in automotive control systems, familiar with four-wheel steering mechanisms, vehicle dynamics, and electronic control unit (ECU) programming techniques

Obviousness Rationale

A skilled practitioner would recognize that the PTD's variations represent predictable engineering extensions of the source patent's four-wheel steering control methodology. The disclosed technical improvements follow standard design optimization approaches within vehicle steering system development. The variations demonstrate incremental enhancements that would be apparent to someone with ordinary skill in automotive control system design.

Obvious Combinations & Variations

Source Patent Element

Control unit that adjusts rear wheel steering angle based on front wheel steering input

PTD Variation

Enhanced control algorithm implementing specialized variations & niche solutions for steering angle modulation

Obviousness Reasoning

Predictable variation using known control system design techniques, representing a standard engineering optimization approach

Source Patent Element

Proportional gain calculation for rear wheel steering response

PTD Variation

Dynamic gain adjustment mechanisms targeting specialized steering scenarios

Obviousness Reasoning

Routine design modification using well-established control system parameter tuning methodologies

Source Patent Element

Integrated value calculation for steering angle changes

PTD Variation

Advanced computational techniques for tracking and modulating wheel steering dynamics

Obviousness Reasoning

Obvious extension utilizing standard signal processing and control system integration principles

Source Patent Element

First and second steering section control strategies

PTD Variation

Expanded multi-phase steering response algorithms with enhanced transition management

Obviousness Reasoning

Logical progression of existing steering control concepts using known computational techniques

Source Patent Element

Rear wheel steering angle calculation method

PTD Variation

Refined computational approaches for generating more nuanced steering response profiles

Obviousness Reasoning

Predictable engineering optimization using established control system design principles

35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11858574, a person having ordinary skill in the art would find the technical variations disclosed herein to be obvious extensions of the prior art. The incremental improvements represent routine engineering design choices within four-wheel steering control technologies, and therefore would not meet the non-obviousness requirements of patent protection under 35 U.S.C. Section 103.

Original Patent Information

Patent Number	US 11,858,574
Title	Steering control device and steering control method
Assignee(s)	HITACHI ASTEMO, LTD.